Canon 100-400 lens lock is broken.

Repair the store. The lens lock of Canon 100-400 generation lens is broken, so you can go to the store to repair it. In film and television, the lens has two fingers, one refers to the optical components used by film cameras and projectors to produce images, the other refers to the continuous picture taken from power on to power off, or the fragment between two editing points, also known as the lens.